| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 920 x 910 x 820 mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat width | 780 mm | |
| Seat depth | 680 mm | |
| Backrest height | 420 mm | |
| Armrest height | 280 mm | |
| Leg splay width | 760 mm | |
| Seat edge thickness | 120 mm | |
| Backrest thickness | 80 mm | |
| Floor clearance under seat | 180 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended static load capacity | 150 kg | |
|---|---|---|
| Net product weight | 28 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Frame static load test rating | 300 kg | |
| Structural warranty period | 5 years | |
| Upholstery warranty period | 1 year | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and inner back upholstery | Light neutral matte performance faux leather | |
|---|---|---|
| Outer shell upholstery | Dark charcoal matte performance faux leather | |
| Seat core padding | 45kg/m³ high-resilience polyurethane foam + 20mm soft fiber wadding | |
| Backrest core padding | 38kg/m³ polyurethane foam + 15mm polyester wadding | |
| Internal support shell | 12mm steel-reinforced pressed recycled felt panel | |
| Support legs | 18mm diameter matte black powder-coated steel tubing | |
| Floor glides | Injected nylon non-marking floor protectors | |
| Underseat frame | 1.2mm thick powder-coated steel cross-brace structure | |
| Upholstery seam stitch | Polyester bonded thread with 8 stitches per 30mm pitch | |
| Available upholstery finishes | 2+ standard two-tone color combinations | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Base structure | Fixed static four-point splayed leg design | |
|---|---|---|
| Seating orientation | Asymmetrical single-sided wrap armrest support | |
| Backrest angle | 105 degrees from seat plane | |
| Assembly requirement | Leg attachment to pre-assembled upholstered shell | |
| Floor protection | Removable nylon glides on all leg bases | |
| Weight distribution | Low center of gravity from wide leg splay | |
| Use position | Fully upholstered fixed seat and back | |
| Surface maintenance | Wipe-clean non-porous faux leather upholstery | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Residential living room | Casual accent seating placed beside sofas or coffee tables for relaxed seating | |
|---|---|---|
| Modern office lounge | Guest or employee break area seating for informal meetings and relaxation | |
| Hotel lobby and guest suites | Premium decorative seating in high-end hospitality common areas and rooms | |
| Reception waiting areas | Comfortable visitor seating in contemporary office and studio reception zones | |
| Residential bedroom reading nook | Compact relaxed seating positioned by windows or bookshelves for reading | |
| Co-working breakout spaces | Flexible casual seating for collaborative informal work sessions | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Domestic furniture seating strength, durability, and safety requirements | |
|---|---|---|
| EN 1022:2018 | Domestic furniture seating stability test standard |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Lounge seating performance and durability standard for commercial grade applications | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | General office chair safety reference for structural load testing |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for internal frame inspection | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances for wooden furniture, applicable for formaldehyde emission testing | |
| GB/T 16799-2008 | Faux leather (PU) furniture upholstery material performance test standard |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for internal frame inspection; 2. GB 18584-2001: Limit of harmful substances for wooden furniture, applicable for formaldehyde emission testing; 3. GB/T 16799-2008: Faux leather (PU) furniture upholstery material performance test standard; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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